Imaging & Radiology · Radiology · Medium
Contrast
Meaning: A substance injected into the body to improve visibility of structures on imaging.
In practice: Contrast dye is used in CT scans to highlight blood vessels.
Quick check
Two questions on related imaging & radiology words.
Which word means: Imaging of blood vessels using contrast dye and X-rays or MRI.
Answer: Angiography
Which word means: Appearing dark or black on an X-ray, indicating low density such as air.
Answer: Lucent
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